{"id":1013403,"date":"2024-12-27T11:47:36","date_gmt":"2024-12-27T03:47:36","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1013403.html"},"modified":"2024-12-27T11:47:37","modified_gmt":"2024-12-27T03:47:37","slug":"python%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a1%ae%e5%88%9b%e5%bb%ba%e9%9b%86%e5%90%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1013403.html","title":{"rendered":"Python\u5982\u4f55\u6b63\u786e\u521b\u5efa\u96c6\u5408"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25090825\/e03c6480-d159-4c30-a7ac-ce81a9456bb0.webp\" alt=\"Python\u5982\u4f55\u6b63\u786e\u521b\u5efa\u96c6\u5408\" \/><\/p>\n<p><p> <strong>Python\u4e2d\u6b63\u786e\u521b\u5efa\u96c6\u5408\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5927\u62ec\u53f7\u3001set()\u51fd\u6570\u3001\u96c6\u5408\u63a8\u5bfc\u5f0f\u7b49\u3002\u4f7f\u7528\u5927\u62ec\u53f7\u662f\u4e00\u79cd\u6700\u5e38\u7528\u4e14\u76f4\u89c2\u7684\u65b9\u5f0f\u3001set()\u51fd\u6570\u53ef\u4ee5\u521b\u5efa\u7a7a\u96c6\u5408\u3001\u96c6\u5408\u63a8\u5bfc\u5f0f\u5219\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u521b\u5efa\u65b9\u5f0f\u3002<\/strong>\u5728Python\u4e2d\uff0c\u96c6\u5408\u662f\u4e00\u79cd\u65e0\u5e8f\u4e14\u4e0d\u91cd\u590d\u7684\u5143\u7d20\u96c6\u5408\uff0c\u5e38\u7528\u4e8e\u53bb\u91cd\u3001\u96c6\u5408\u8fd0\u7b97\u7b49\u573a\u666f\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u6bcf\u79cd\u521b\u5efa\u96c6\u5408\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528\u5927\u62ec\u53f7\u521b\u5efa\u96c6\u5408<\/p>\n<\/p>\n<p><p>\u4f7f\u7528\u5927\u62ec\u53f7 <code>{}<\/code> \u6765\u521b\u5efa\u96c6\u5408\u662f\u6700\u7b80\u5355\u548c\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5df2\u7ecf\u77e5\u9053\u96c6\u5408\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u4e14\u8fd9\u4e9b\u5143\u7d20\u5728\u521b\u5efa\u65f6\u5c31\u53ef\u4ee5\u786e\u5b9a\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4f7f\u7528\u5927\u62ec\u53f7\u521b\u5efa\u96c6\u5408<\/p>\n<p>fruits = {&#39;apple&#39;, &#39;banana&#39;, &#39;cherry&#39;}<\/p>\n<p>print(fruits)  # \u8f93\u51fa\uff1a{&#39;banana&#39;, &#39;cherry&#39;, &#39;apple&#39;}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u5927\u62ec\u53f7\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5143\u7d20\u7684\u96c6\u5408 <code>fruits<\/code>\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u662f\u65e0\u5e8f\u7684\uff0c\u8f93\u51fa\u7ed3\u679c\u53ef\u80fd\u4e0e\u8f93\u5165\u987a\u5e8f\u4e0d\u540c\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528set()\u51fd\u6570\u521b\u5efa\u96c6\u5408<\/p>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u52a8\u6001\u521b\u5efa\u96c6\u5408\uff0c\u6216\u8005\u4ece\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\uff09\u521b\u5efa\u96c6\u5408\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>set()<\/code> \u51fd\u6570\u3002\u7279\u522b\u5730\uff0c\u521b\u5efa\u7a7a\u96c6\u5408\u65f6\uff0c\u5fc5\u987b\u4f7f\u7528 <code>set()<\/code> \u800c\u4e0d\u662f <code>{}<\/code>\uff0c\u56e0\u4e3a <code>{}<\/code> \u88ab\u7528\u4e8e\u521b\u5efa\u7a7a\u5b57\u5178\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4ece\u5217\u8868\u521b\u5efa\u96c6\u5408<\/p>\n<p>numbers_list = [1, 2, 3, 4, 5, 5]<\/p>\n<p>numbers_set = set(numbers_list)<\/p>\n<p>print(numbers_set)  # \u8f93\u51fa\uff1a{1, 2, 3, 4, 5}<\/p>\n<h2><strong>\u521b\u5efa\u7a7a\u96c6\u5408<\/strong><\/h2>\n<p>empty_set = set()<\/p>\n<p>print(empty_set)  # \u8f93\u51fa\uff1aset()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c<code>set(numbers_list)<\/code> \u4ece\u5217\u8868 <code>numbers_list<\/code> \u4e2d\u521b\u5efa\u4e86\u4e00\u4e2a\u96c6\u5408\uff0c\u5e76\u81ea\u52a8\u53bb\u9664\u4e86\u91cd\u590d\u7684\u5143\u7d20 <code>5<\/code>\u3002\u521b\u5efa\u7a7a\u96c6\u5408\u65f6\uff0c\u5fc5\u987b\u4f7f\u7528 <code>set()<\/code>\uff0c\u5426\u5219\u4f1a\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u96c6\u5408\u63a8\u5bfc\u5f0f\u521b\u5efa\u96c6\u5408<\/p>\n<\/p>\n<p><p>\u96c6\u5408\u63a8\u5bfc\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u96c6\u5408\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5bf9\u5143\u7d20\u8fdb\u884c\u8fc7\u6ee4\u6216\u8f6c\u6362\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4f7f\u7528\u96c6\u5408\u63a8\u5bfc\u5f0f\u521b\u5efa\u96c6\u5408<\/p>\n<p>squared_set = {x2 for x in range(6)}<\/p>\n<p>print(squared_set)  # \u8f93\u51fa\uff1a{0, 1, 4, 9, 16, 25}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u96c6\u5408\u63a8\u5bfc\u5f0f\u7684\u8bed\u6cd5\u7c7b\u4f3c\u4e8e\u5217\u8868\u63a8\u5bfc\u5f0f\uff0c\u5141\u8bb8\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5bf9\u96c6\u5408\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u96c6\u5408\u63a8\u5bfc\u5f0f\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4ece0\u52305\u7684\u6570\u7684\u5e73\u65b9\u7684\u96c6\u5408\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u96c6\u5408\u7684\u57fa\u672c\u64cd\u4f5c<\/p>\n<\/p>\n<ol>\n<li>\u6dfb\u52a0\u5143\u7d20\uff1a\u53ef\u4ee5\u4f7f\u7528 <code>add()<\/code> \u65b9\u6cd5\u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">fruits = {&#39;apple&#39;, &#39;banana&#39;}<\/p>\n<p>fruits.add(&#39;cherry&#39;)<\/p>\n<p>print(fruits)  # \u8f93\u51fa\uff1a{&#39;banana&#39;, &#39;apple&#39;, &#39;cherry&#39;}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u5220\u9664\u5143\u7d20\uff1a\u53ef\u4ee5\u4f7f\u7528 <code>remove()<\/code> \u6216 <code>discard()<\/code> \u65b9\u6cd5\u5220\u9664\u5143\u7d20\u3002<code>remove()<\/code> \u5728\u5143\u7d20\u4e0d\u5b58\u5728\u65f6\u4f1a\u629b\u51fa\u9519\u8bef\uff0c\u800c <code>discard()<\/code> \u4e0d\u4f1a\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">fruits.remove(&#39;banana&#39;)<\/p>\n<p>print(fruits)  # \u8f93\u51fa\uff1a{&#39;apple&#39;, &#39;cherry&#39;}<\/p>\n<p>fruits.discard(&#39;banana&#39;)  # \u4e0d\u4f1a\u629b\u51fa\u9519\u8bef<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li>\u96c6\u5408\u8fd0\u7b97\uff1a\u53ef\u4ee5\u4f7f\u7528 <code>union()<\/code>\u3001<code>intersection()<\/code>\u3001<code>difference()<\/code> \u7b49\u65b9\u6cd5\u8fdb\u884c\u96c6\u5408\u8fd0\u7b97\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">set_a = {1, 2, 3}<\/p>\n<p>set_b = {3, 4, 5}<\/p>\n<h2><strong>\u5e76\u96c6<\/strong><\/h2>\n<p>union_set = set_a.union(set_b)<\/p>\n<p>print(union_set)  # \u8f93\u51fa\uff1a{1, 2, 3, 4, 5}<\/p>\n<h2><strong>\u4ea4\u96c6<\/strong><\/h2>\n<p>intersection_set = set_a.intersection(set_b)<\/p>\n<p>print(intersection_set)  # \u8f93\u51fa\uff1a{3}<\/p>\n<h2><strong>\u5dee\u96c6<\/strong><\/h2>\n<p>difference_set = set_a.difference(set_b)<\/p>\n<p>print(difference_set)  # \u8f93\u51fa\uff1a{1, 2}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u96c6\u5408\u7279\u6027\u53ca\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n<ol>\n<li>\u53bb\u91cd\u529f\u80fd\uff1a\u96c6\u5408\u81ea\u52a8\u53bb\u9664\u91cd\u590d\u5143\u7d20\uff0c\u975e\u5e38\u9002\u5408\u7528\u6765\u53bb\u91cd\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">duplicates = [1, 2, 2, 3, 4, 4, 5]<\/p>\n<p>unique_elements = set(duplicates)<\/p>\n<p>print(unique_elements)  # \u8f93\u51fa\uff1a{1, 2, 3, 4, 5}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u6210\u5458\u6d4b\u8bd5\uff1a\u7531\u4e8e\u96c6\u5408\u7684\u9ad8\u6548\u6027\uff0c\u53ef\u4ee5\u5feb\u901f\u68c0\u67e5\u5143\u7d20\u662f\u5426\u5b58\u5728\u4e8e\u96c6\u5408\u4e2d\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">if &#39;apple&#39; in fruits:<\/p>\n<p>    print(&quot;Apple is in the set&quot;)  # \u8f93\u51fa\uff1aApple is in the set<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li>\u96c6\u5408\u8fd0\u7b97\uff1a\u96c6\u5408\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8fd0\u7b97\uff0c\u53ef\u4ee5\u7528\u4e8e\u6570\u5b66\u96c6\u5408\u8fd0\u7b97\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">set_x = {1, 2, 3}<\/p>\n<p>set_y = {2, 3, 4}<\/p>\n<h2><strong>\u5bf9\u79f0\u5dee\u96c6<\/strong><\/h2>\n<p>symmetric_difference = set_x.symmetric_difference(set_y)<\/p>\n<p>print(symmetric_difference)  # \u8f93\u51fa\uff1a{1, 4}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516d\u3001\u96c6\u5408\u5728\u6570\u636e\u5904\u7406\u4e2d\u7684\u5e94\u7528<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u6570\u636e\u53bb\u91cd\uff1a\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u96c6\u5408\u5e38\u7528\u4e8e\u53bb\u9664\u91cd\u590d\u6570\u636e\uff0c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u6548\u7387\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u8fc7\u6ee4\uff1a\u901a\u8fc7\u96c6\u5408\u8fd0\u7b97\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u8fc7\u6ee4\u3001\u6570\u636e\u6e05\u6d17\u7b49\u5de5\u4f5c\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u5bf9\u6bd4\uff1a\u96c6\u5408\u8fd0\u7b97\u5982\u4ea4\u96c6\u3001\u5dee\u96c6\u7b49\uff0c\u5e38\u7528\u4e8e\u6570\u636e\u5bf9\u6bd4\u4e0e\u5206\u6790\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u5728\u6570\u636e\u5904\u7406\u4e2d\uff0c\u96c6\u5408\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u53bb\u91cd\u529f\u80fd\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u96c6\u5408\u8fd0\u7b97\u5b9e\u73b0\u590d\u6742\u7684\u6570\u636e\u5206\u6790\u4efb\u52a1\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u96c6\u5408\u7684\u4ea4\u96c6\u53ef\u4ee5\u627e\u5230\u591a\u4e2a\u6570\u636e\u96c6\u4e2d\u5171\u540c\u7684\u5143\u7d20\uff0c\u800c\u5dee\u96c6\u5219\u53ef\u4ee5\u7528\u6765\u8bc6\u522b\u4e0d\u540c\u6570\u636e\u96c6\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u96c6\u5408\u7684\u6027\u80fd\u4f18\u52bf<\/p>\n<\/p>\n<p><p>\u7531\u4e8e\u96c6\u5408\u662f\u57fa\u4e8e\u54c8\u5e0c\u8868\u5b9e\u73b0\u7684\uff0c\u5176\u5728\u63d2\u5165\u3001\u5220\u9664\u3001\u6210\u5458\u6d4b\u8bd5\u7b49\u64cd\u4f5c\u4e0a\u5177\u6709\u8f83\u9ad8\u7684\u6548\u7387\u3002\u76f8\u6bd4\u5217\u8868\u548c\u5b57\u5178\uff0c\u96c6\u5408\u5728\u5904\u7406\u65e0\u5e8f\u3001\u53bb\u91cd\u7684\u6570\u636e\u65f6\u8868\u73b0\u51fa\u8272\u3002<\/p>\n<\/p>\n<ol>\n<li>\u6210\u5458\u6d4b\u8bd5\u6548\u7387\uff1a\u96c6\u5408\u5728\u8fdb\u884c\u6210\u5458\u6d4b\u8bd5\u65f6\uff0c\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\uff0c\u8fd9\u6bd4\u5217\u8868\u7684O(n)\u8981\u9ad8\u6548\u5f97\u591a\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">large_set = set(range(1000000))<\/p>\n<p>if 999999 in large_set:<\/p>\n<p>    print(&quot;Found quickly&quot;)  # \u8f93\u51fa\uff1aFound quickly<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u63d2\u5165\u548c\u5220\u9664\u6548\u7387\uff1a\u96c6\u5408\u5728\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u65f6\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u540c\u6837\u4e3aO(1)\uff0c\u8fd9\u4f7f\u5f97\u96c6\u5408\u5728\u9700\u8981\u9891\u7e41\u4fee\u6539\u6570\u636e\u65f6\u975e\u5e38\u9ad8\u6548\u3002<\/li>\n<\/ol>\n<p><p>\u516b\u3001Python\u96c6\u5408\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<ol>\n<li>\u5143\u7d20\u7684\u53ef\u54c8\u5e0c\u6027\uff1a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u5fc5\u987b\u662f\u53ef\u54c8\u5e0c\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5143\u7d20\u5fc5\u987b\u662f\u4e0d\u53ef\u53d8\u7684\uff08\u5982\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5143\u7ec4\uff09\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\"># \u9519\u8bef\u793a\u4f8b\uff1a\u8bd5\u56fe\u5c06\u5217\u8868\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d<\/p>\n<p>try:<\/p>\n<p>    invalid_set = {1, [2, 3]}<\/p>\n<p>except TypeError as e:<\/p>\n<p>    print(e)  # \u8f93\u51fa\uff1aunhashable type: &#39;list&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\n<p>\u96c6\u5408\u662f\u65e0\u5e8f\u7684\uff1a\u96c6\u5408\u6ca1\u6709\u987a\u5e8f\uff0c\u8fd9\u610f\u5473\u7740\u4e0d\u80fd\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff0c\u4e5f\u4e0d\u80fd\u4fdd\u8bc1\u5143\u7d20\u7684\u987a\u5e8f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u96c6\u5408\u4e0d\u652f\u6301\u91cd\u590d\u5143\u7d20\uff1a\u96c6\u5408\u81ea\u52a8\u53bb\u9664\u91cd\u590d\u5143\u7d20\uff0c\u8fd9\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f46\u5728\u9700\u8981\u4fdd\u7559\u91cd\u590d\u5143\u7d20\u7684\u60c5\u51b5\u4e0b\u5c31\u4e0d\u9002\u7528\u4e86\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e5d\u3001\u96c6\u5408\u7684\u6269\u5c55\u5e94\u7528<\/p>\n<\/p>\n<ol>\n<li>\u7ed3\u5408frozenset\u4f7f\u7528\uff1a<code>frozenset<\/code> \u662f\u96c6\u5408\u7684\u4e0d\u53ef\u53d8\u7248\u672c\uff0c\u53ef\u4ee5\u7528\u4f5c\u5b57\u5178\u7684\u952e\u6216\u96c6\u5408\u7684\u5143\u7d20\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">frozenset_example = frozenset([1, 2, 3])<\/p>\n<p>another_set = {frozenset_example, frozenset([4, 5, 6])}<\/p>\n<p>print(another_set)  # \u8f93\u51fa\uff1a{frozenset({1, 2, 3}), frozenset({4, 5, 6})}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\n<p>\u96c6\u5408\u4e0e\u5b57\u5178\u7684\u7ed3\u5408\uff1a\u96c6\u5408\u53ef\u4ee5\u4e0e\u5b57\u5178\u7ed3\u5408\u4f7f\u7528\uff0c\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\u6765\u8ddf\u8e2a\u5b57\u5178\u4e2d\u952e\u7684\u96c6\u5408\uff0c\u6216\u8005\u4f7f\u7528\u5b57\u5178\u6765\u5b58\u50a8\u96c6\u5408\u7684\u8ba1\u6570\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u96c6\u5408\u8fdb\u884c\u6570\u636e\u5206\u6790\uff1a\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u96c6\u5408\u53ef\u4ee5\u7528\u4e8e\u5feb\u901f\u53bb\u91cd\u3001\u6570\u636e\u5408\u5e76\u3001\u4ea4\u96c6\u8ba1\u7b97\u7b49\u64cd\u4f5c\uff0c\u4ece\u800c\u7b80\u5316\u6570\u636e\u5904\u7406\u903b\u8f91\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u76f8\u4fe1\u60a8\u5df2\u7ecf\u638c\u63e1\u4e86Python\u4e2d\u521b\u5efa\u96c6\u5408\u7684\u591a\u79cd\u65b9\u6cd5\u548c\u5e94\u7528\u573a\u666f\u3002\u96c6\u5408\u4f5c\u4e3aPython\u4e2d\u4e00\u79cd\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5728\u6570\u636e\u5904\u7406\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\u3002\u5e0c\u671b\u901a\u8fc7\u672c\u6587\uff0c\u60a8\u80fd\u66f4\u597d\u5730\u5229\u7528\u96c6\u5408\u6765\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>1. \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u96c6\u5408\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>set()<\/code>\u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u96c6\u5408\u3002\u4e0e\u4f7f\u7528\u82b1\u62ec\u53f7<code>{}<\/code>\u4e0d\u540c\uff0c\u82b1\u62ec\u53f7\u5728\u6ca1\u6709\u5143\u7d20\u65f6\u4f1a\u88ab\u89e3\u91ca\u4e3a\u5b57\u5178\u3002\u56e0\u6b64\uff0c\u786e\u4fdd\u4f7f\u7528<code>set()<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u96c6\u5408\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">empty_set = set()\n<\/code><\/pre>\n<p><strong>2. Python\u96c6\u5408\u53ef\u4ee5\u5305\u542b\u54ea\u4e9b\u7c7b\u578b\u7684\u5143\u7d20\uff1f<\/strong><br \/>Python\u96c6\u5408\u53ef\u4ee5\u5305\u542b\u4e0d\u53ef\u53d8\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4f8b\u5982\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u548c\u5143\u7ec4\u3002\u91cd\u8981\u7684\u662f\uff0c\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u5fc5\u987b\u662f\u552f\u4e00\u7684\uff0c\u4e0d\u80fd\u91cd\u590d\u3002\u6b64\u5916\uff0c\u96c6\u5408\u4e0d\u5141\u8bb8\u5305\u542b\u53ef\u53d8\u6570\u636e\u7c7b\u578b\uff0c\u5982\u5217\u8868\u548c\u5b57\u5178\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u54c8\u5e0c\u503c\u4f1a\u6539\u53d8\u3002<\/p>\n<p><strong>3. \u5982\u4f55\u4ece\u5217\u8868\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\u521b\u5efa\u96c6\u5408\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528<code>set()<\/code>\u51fd\u6570\u5c06\u5217\u8868\u3001\u5143\u7ec4\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8f6c\u6362\u4e3a\u96c6\u5408\u3002\u8fd9\u5c06\u81ea\u52a8\u53bb\u9664\u91cd\u590d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">my_list = [1, 2, 2, 3, 4]\nmy_set = set(my_list)  # my_set \u73b0\u5728\u662f {1, 2, 3, 4}\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u6709\u6548\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u53bb\u91cd\u65f6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u6b63\u786e\u521b\u5efa\u96c6\u5408\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5927\u62ec\u53f7\u3001set()\u51fd\u6570\u3001\u96c6\u5408\u63a8\u5bfc\u5f0f\u7b49\u3002\u4f7f\u7528\u5927\u62ec\u53f7\u662f\u4e00\u79cd\u6700\u5e38\u7528\u4e14 [&hellip;]","protected":false},"author":3,"featured_media":1013409,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1013403"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1013403"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1013403\/revisions"}],"predecessor-version":[{"id":1013411,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1013403\/revisions\/1013411"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1013409"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1013403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1013403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1013403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}